Comment 7 for bug 841116

hmmm....

The descision algorithm weather or not to paint the icon blue seems to be extremeley sophisticated and boil down to "paint blue only if the arrived message is 'flagged'" -- can be overwrritten like this:

> echo 'user_pref("extensions.messagingmenu.attentionForAll", true);' > ~/.thunderbird/*default*/prefs.js

But IMHO there should be an option in the prefs dialog for this and the default should be to paint it blue.